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If you live in Lantana and your windows are original to a house built in the 1960s, you are almost certainly paying more to cool your home than you should be, and those windows likely do not meet Palm Beach County’s wind-borne debris code. Replacing them with modern energy-efficient windows in Lantana typically runs $850-$1,600 per window for impact-rated, double-pane units installed, depending on size, frame material, and how much reframing the opening needs. We are TruePane Windows & Doors, and we have been setting windows in South Florida long enough to know that every house along Lake Worth Lagoon fights two enemies at once: mandatory impact-rated glazing requirements and salt air that eats aluminum frames from the inside out. Call (561) 349-4826 and we will send a uniformed, background-checked technician to measure, quote, and walk you through exactly what your house needs.
Why TruePane Windows & Doors Is Lantana’s Preferred Energy-Efficient Windows Company
Lantana is not like the newer subdivisions west of the Turnpike. Most of the homes we work on here are concrete block construction from the 1950s through the 1970s, and a surprising number still carry the original jalousie windows. Those windows were never designed for Florida’s modern energy code, and on a waterfront lot, the aluminum frames have spent fifty years absorbing daily salt spray off Lake Worth Lagoon. Our technicians measure every opening twice, quote manufacturer lines side by side on paper, and register both warranty layers in writing with the manufacturer before the truck leaves your driveway. That is our Keystone Standard, and it is on every job in writing.
We are a second-generation glazier’s company. Dale Kessler founded TruePane in 2008 out of a principle that out-of-true installs and voided warranties were problems worth fixing permanently, not passing on to the next homeowner. We carry more than a dozen manufacturer lines including Andersen, Pella, and Marvin, which means we are not pushing one brand because it is the only one we stock. We quote the options that fit your house, your budget, and your salt-air exposure, and we put it on paper so you can see exactly what you are buying. For Lantana homeowners, that paper quote matters, because the right window on a canal-front home is often a different product than the right window for a home a mile inland.
Our Energy-Efficient Windows Services in Lantana
Low-E & Argon Gas Glass
Low-E glass with argon fill is the workhorse of energy efficiency in Lantana’s climate. A standard double-pane unit with low-E coating and argon gas between the panes cuts solar heat gain significantly compared to clear single-pane glass, which means your air conditioner does not work as hard and your interior fabrics fade more slowly. In Lantana specifically, we recommend the low-E coating because the humidity off Lake Worth Lagoon makes interior condensation a real failure point, especially on bedrooms that face the water. A low-E, argon-filled replacement sash for a typical 36-by-60 inch opening in Lantana runs $180-$340 installed if the frame is sound and only the glass unit needs replacing.
ENERGY STAR Replacement Windows
Every ENERGY STAR replacement window we install in Lantana carries the Southern Zone rating, which is the standard for Palm Beach County’s heat and humidity profile. The ENERGY STAR label is a starting point, not a finish line, because a window can be ENERGY STAR rated and still be an aluminum-frame unit that corrodes in salt air. We generally steer Lantana homeowners toward fusion-welded vinyl or marine-grade aluminum frames with thermal breaks, because those are the products that hold up to daily salt spray while still meeting the energy performance numbers. A full ENERGY STAR replacement window, frame and all, runs $850-$1,600 per opening in Lantana depending on size and whether the rough opening needs custom shimming.
Double & Triple Pane Windows
Double-pane is the standard we recommend for most Lantana homes, and triple-pane is worth considering if you are on a wide waterway with near-constant wind load or if you want maximum sound dampening from bridge traffic. The additional pane does add cost, roughly $150-$350 more per window over a comparable double-pane unit. For a typical Lantana CBS home, the real efficiency gain from triple-pane is modest compared to double-pane with low-E and argon, so we will tell you honestly if the extra money is better spent on a higher-quality frame or better flashing. We quote both options side by side on paper so you can see the numbers yourself.
UV-Blocking & Fade Protection
Lantana’s sun angle is brutal on flooring, upholstery, and wall art, and standard single-pane glass does almost nothing to stop it. UV-blocking window films and low-E glass with high UV rejection rates make a measurable difference inside homes that catch direct afternoon sun off the lagoon. We install UV-blocking glass options on new replacement windows and can retrofit films onto existing glass where replacement is not in the budget. A UV-blocking window film treatment on a typical Lantana living room with three large windows runs $400-$800, and it pays for itself in carpet and furniture life over a few years.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Lantana
We are an authorized installer for, and we keep a working relationship with each manufacturer’s warranty department, not just a dealer agreement. That matters in Lantana because a warranty claim on a salt-corroded frame is the kind of fight homeowners lose when they buy from a company that is not authorized to file it properly. We stock weatherstripping, hardware, and sash components for these brands in our service vehicles, so a Lantana troubleshooting visit usually is one trip, not two. If you have an Andersen or Pella window that still functions but leaks air or has a failed seal, we can often source the correct sash or hardware and get it installed the same week.
Common Energy-Efficient Windows Problems We See in Lantana Homes
- Corroded aluminum jalousie frames from daily salt spray. Jalousie windows in 1950s and 1960s Lantana CBS homes sit open to the breeze and soak up salt air for decades, leaving the aluminum pitted, the cranks seized, and the sashes unable to seal. They fail modern energy codes outright, and replacing them is a full permitted job, not a like-for-like swap.
- Thin-frame single-pane aluminum units that fail wind-borne debris code. Many original Lantana homes have windows with no impact rating and no thermal break, which means they conduct heat into the house and would not survive a design wind event. Palm Beach County will not let you replace them with standard non-impact glass in the wind-borne debris region.
- Out-of-square CBS rough openings that rack new frames. Concrete block settling over fifty years leaves many original Lantana window openings a half inch out of square in any direction. If the installer does not shim and flash the opening before seating the frame, the insulated glass unit gets stressed and the seal fails early, which is exactly what we see on failed installs from other companies.
- Failed seals showing interior fog in Lantana’s humidity. When the seal between panes fails, moisture gets inside the glass unit and fogs on the inside face you cannot wipe clean. Lantana’s high humidity makes this failure visible fast, and the fix is a new insulated glass unit, not a defogging service, because once the argon or krypton fill escapes, the unit’s thermal performance is gone.
In a 1960s CBS home near the Lantana waterfront, our crew pulled original jalousie windows with corroded aluminum frames and fogged single panes. We replaced them with impact-rated, fusion-welded vinyl double-hungs with low-E glass and argon fill, then rebuilt the out-of-square rough openings with custom shims, backer rod, and flashing tape before setting each sash. The homeowner saw immediate relief from salt-air corrosion and a much tighter envelope.
Pricing for Energy-Efficient Windows in Lantana, FL
A typical energy-efficient window replacement in Lantana runs $850-$1,600 per window for a standard double-pane, impact-rated unit installed, including the permit work. Low-E glass with argon fill adds roughly $50-$100 per window over a non-coated baseline, and triple-pane adds $150-$350 per window. If the rough opening is out of square and needs custom shimming, backer rod, and flashing, expect an additional $100-$250 per opening for the reframing labor and materials. Window energy audits and ratings, which we perform for homeowners who want to find the worst-performing openings before committing to a full replacement, start at $150. We write every Lantana quote as a fixed, line-item proposal before work starts, and we do not add change orders without a written approval first. Call (561) 349-4826 to schedule a free on-site estimate with exact numbers for your house.
We Also Serve Cities Near Lantana
Beyond Lantana proper, we regularly install Energy-Efficient Windows in Wellington, Belle Glade, Loxahatchee Groves, and Westlake. Each town has its own mix of older CBS housing stock, salt-air exposure where it borders the lagoon, and code requirements depending on proximity to the wind-borne debris line. If you are shopping for windows anywhere in the Lantana area, call the number below and we will send a tech who knows the local code and the local failure modes. Our Energy-Efficient Windows in Lantana team covers the full corridor from the waterway west to the Loxahatchee Groves line.
Serving Lantana, FL - Our Local Coverage Area
We’re based in the Lantana area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Energy-Efficient Windows in Lantana
Yes, you need impact-rated glazing in Lantana. The town sits inside Palm Beach County’s wind-borne debris region, which means code requires either impact-rated glass or an approved hurricane shutter system on every new opening. Standard energy-efficient windows without an impact rating will not pass inspection on a replacement, and you will be paying for a permit and engineer-signed wind-load calculations regardless. The right move is to buy impact-rated windows with low-E and argon fill so you satisfy code and get the energy performance in one product. Call (561) 349-4826 for a quote that spells out the impact rating and the energy numbers on paper.
Jalousie windows fail modern energy codes because the frame design itself is uninsulated, unsealed, and incapable of holding a proper insulated glass unit, not because the glass is old. Sliding jalousie sashes leave air gaps at every louver intersection, and the aluminum frames conduct heat and corrode in salt air. Replacing only the glass does not change the thermal performance or the air leakage, so Palm Beach County treats the opening as non-compliant and requires a full window replacement with engineer-signed wind-load calculations. In Lantana, where many homes still carry original jalousies, this is a routine job for our crews.
Salt air from Lake Worth Lagoon corrodes aluminum frames, oxidizes hardware, and breaks down weatherstripping at a pace that surprises homeowners who have not dealt with a waterfront property before. The salt spray reaches windows daily, not just during storms, and it is most aggressive on the east-facing sides of homes near the water. In Lantana, we recommend marine-grade finishes on aluminum frames or fusion-welded vinyl frames with stainless hardware, because standard builder-grade aluminum will show pitting and lose its weather seal within a few years. We factor salt exposure into every product recommendation we make for Lantana homes, and we put that recommendation in writing.
An out-of-square opening means the distance between the top corners and the bottom corners of the rough opening are not equal, which happens in older CBS homes as the concrete block settles over decades. Setting a new high-performance window frame into an opening that is half an inch out of square without correcting it stresses the frame, racks the sash, and leads to premature seal failure in the insulated glass unit. Correcting it requires custom shimming, backer rod, and flashing work, which adds $100-$250 per opening. If a Lantana quote comes in significantly cheaper than ours, ask the contractor whether they plan to shim and flash the opening or set the frame directly into the old rough opening.
When an ENERGY STAR window fogs up on the inside of the glass unit, between the panes, the seal has failed and the argon or krypton fill has escaped, which means the window has lost most of its thermal performance. Lantana’s high humidity makes this failure obvious quickly because the moisture inside the unit condenses every morning. The fix is a new insulated glass unit or a full sash replacement, not a defogging service, and a failed seal on an ENERGY STAR window is usually covered by the manufacturer’s glass warranty if the window was properly registered. We register both warranty layers in writing on every install, so if your window fogs, the warranty path is already documented. Call (561) 349-4826 and we will verify the seal failure and file the warranty claim if it applies.
We serve Lantana directly, and a live person answers the phone at (561) 349-4826, 24 hours a day, seven days a week. Call us and describe your windows, and we will send a background-checked, uniformed technician to measure, inspect the rough openings, and put a written line-item quote in your hand. No pushy sales pitch, no pricing games. When Dale Kessler started this company, he wrote one rule on the whiteboard: if the pane is not true, the job is not done. We still work to that standard on every Lantana house we touch.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Lantana and the surrounding communities since 2008.
Six Reasons Homeowners Choose TruePane Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.